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Android-java- How to sort a list of objects by a certain value within the object

...r. See here, this may be of some help - When should a class be Comparable and/or Comparator? Try this - import java.util.ArrayList; import java.util.Collections; import java.util.List; public class TestSort { public static void main(String args[]){ ToSort toSort1 = new ToSort(new ...
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Remove blue border from css custom-styled button in Chrome

I'm working on a web page, and I want custom-styled <button> tags. So with CSS, I said: border: none . Now it works perfectly in safari, but in chrome, when I click one of the buttons, it puts an annoying blue border around it. I thought button:active { outline: none } or button:focus { ...
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JavaScript to scroll long page to DIV

... old question, but if anyone finds this through google (as I did) and who does not want to use anchors or jquery; there's a builtin javascriptfunction to 'jump' to an element; document.getElementById('youridhere').scrollIntoView(); and what's even better; according to the great compatibi...
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Add leading zeroes to number in Java? [duplicate]

...tting this result? This function fails if num has more digits than digits, and I feel like it should be in the library somewhere (like Integer.toString(x,"%3d") or something) ...
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How to concatenate items in a list to a single string?

... Didn't understand, what's the '-' on the left supposed to be?? – Lawrence DeSouza Apr 2 '14 at 23:46 5 ...
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Inserting code in this LaTeX document with indentation

... For two column article, it does not handle the margins well. – Sazzad Hissain Khan Nov 12 '19 at 13:40 add a comment  |...
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Returning the product of a list

...sing lambda: from operator import mul reduce(mul, list, 1) it is better and faster. With python 2.7.5 from operator import mul import numpy as np import numexpr as ne # from functools import reduce # python3 compatibility a = range(1, 101) %timeit reduce(lambda x, y: x * y, a) # (1) %timeit r...
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Don't understand why UnboundLocalError occurs (closure) [duplicate]

...ariable, the global keyword will help. If increment() is a local function and counter a local variable, you can use nonlocal in Python 3.x. share | improve this answer | fol...
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How to concatenate two strings in C++?

...e performance. Worst case is, that operator+= performs both a deallocation and an allocation. Heap allocations are among the most expensive operations we commonly do. – IInspectable Feb 7 at 12:17 ...
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Giving a border to an HTML table row,

...l. (The initial value of border-collapse is separate according to CSS 2.1, and some browsers also set it as default value for table. The net effect anyway is that you get separated border on almost all browsers unless you explicitly specifi collapse.) Thus, you need to use collapsing borders. Examp...